St. Martin's Press is a book publisher headquartered in the Flatiron Building in New York City.

It is considered one of the largest English-language publishers, bringing to the public some 700 titles a year under eight imprints, which include St. Martin's Press (mainstream and bestseller books), St. Martin's Griffin (mainstream paperback books, including SF), Minotaur (mystery, suspense, and thrillers), Picador (specialty books), Thomas Dunne Books (suspense and mainstream), and Truman Talley Books (business and specialty books).